RFR: 8367347: Serial: Refactor CLDScanClosure [v6]

[duke]

On Thu, 11 Sep 2025 10:14:26 GMT, Francesco Andreuzzi <fandreuzzi at openjdk.org> wrote:

>> Refactor `CLDScanClosure` so that all CLD logic is encapsulated in the CLD closure, without polluting the oop closure.
>> 
>> Test: tier1-2
>
> Francesco Andreuzzi has updated the pull request incrementally with one additional commit since the last revision:
> 
>   bool check early

@fandreuz 
Your change (at version 959f932411d28c22ab101138ae9bb2027bdad990) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jdk/pull/27199#issuecomment-3281017474